WATER IN COMETS 71P/CLARK AND C/2004 B1 (LINEAR) WITH SPITZER

@inproceedings{BockeleMorvan2009WATERIC,
  title={WATER IN COMETS 71P/CLARK AND C/2004 B1 (LINEAR) WITH SPITZER},
  author={D. Bockel{\'e}e-Morvan and Charles Woodward and Michael Shawn Kelley and D. M. France and MN Univ.MinnesotaMinneapolis and FL Univ.CentralFloridaOrlando and CA NASAAmesMoffetField},
  year={2009}
}
We present 5.5-7.6 μm spectra of comets 71P/Clark (2006 May 27.56 UT, rh = 1.57 AU pre-perihelion) and C/2004 B1 (LINEAR) (2005 October 15.22 UT, rh = 2.21 AU pre-perihelion and 2006 May 16.22 UT, rh = 2.06 AU post-perihelion) obtained with the Spitzer Space Telescope. The ν2 vibrational band of water is detected with a signal-to-noise ratio of 11-50. Fitting the spectra using a fluorescence model of water emission yields a water rotational temperature of < 18 K for 71P/Clark and 14 ± 2 K (pre… CONTINUE READING

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